Spirally grooved tube
[化] 螺纹沟槽管
🧩 词语组成解析
adv. 成螺旋形地
a. 带纹道的；表面有沟槽的
🗣️ 情景例句
Chairman Mao said it is necessary to drill as much as possible.
毛主席说，反复操练是非常必要的。
Diligence is the mohter of success.
勤奋是成功之母。
He tried to escape but was followed and caught.
他曾经试图逃跑，但是被人追上来抓住了。